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Steve Wing, PhD; Carl Shy, MD
University of North Carolina at Chapel Hill School of Public Health

JAMA. 1991;266(5):653-654.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In Reply.

—Our study showed that the previously reported elevation of the leukemia SMR at Oak Ridge National Laboratory¹ continued with longer follow-up, was confined to the time period after 1965 among workers hired before 1960, and was larger in a subgroup of workers monitored for internal radionuclide contamination than in the cohort as a whole. We nowhere concluded that the leukemia excess was due to occupational radiation; however, these results are not inconsistent with an occupational effect.

Relationships between mortality and radiation exposure were studied among the workers; the general population was not used as "unexposed" controls. Dose-response estimates for leukemia were highly unstable, reflecting in part the small number of leukemia deaths and the generally low occupational exposures. There were no leukemia deaths between 40 mSv and 120 mSv and 1.9 expected; all the observed and expected values in Table 5 are summarized by the dose coefficient . . . [Full Text PDF of this Article]

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